Home / 105,399.20-158,082.24-34,324.40

Finding the Fourth Proportional to 105,399.20, 158,082.24 and 34,324.40

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Solution

The fourth proportional to 105,399.20, 158,082.24 and 34,324.40 is: 51,481.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,399.20 : 158,082.24 = 34,324.40 : x
  2. Step 2: Convert to fraction form
    105,399.20/158,082.24 = 34,324.40/x
  3. Step 3: Cross multiply
    105,399.20x = 158,082.24 × 34,324.40
  4. Step 4: Simplify right side
    105,399.20x = 5,426,078,038.66
  5. Step 5: Solve for x
    x = 5,426,078,038.66/105,399.20
  6. Step 6: Final answer
    x = 51,481.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.